Manufacturing and assembly of products relating to welding technology – turned parts, oxy-fuel technology, hose and connection technology from a single source.
Rinnert GmbH & Co. KG
KaarstNew on Amplifa
About Rinnert Welding Technology
Rinnert GmbH & Co. KG from Kaarst is a family business founded in 1943 that manufactures products and components relating to welding technology. Its range of services includes in-house CNC production of turned parts in large volumes, hose assembly for oxy-fuel hoses, and the daily production of special fittings to customer specification. The product portfolio comprises turned parts, welding technology, oxy-fuel technology, hose technology, connection technology, compressed air/pneumatics, and occupational safety items. As a trading and manufacturing company, Rinnert Schweißtechnik offers manufacturing and assembly from a single source and, with around 95 % of products ready for immediate delivery, maintains a high stock level of more than 5,000 welding-supply items. Its customers include national and international companies in the welding and cutting industry. Since Eric and Max Rinnert took over management in 2014, the Kaarst site has been expanded several times, most recently with office space and a photovoltaic system with more than 160 kWp.
- Site
- Kaarst
- Processes
- CNC manufacturing (turned parts), Welding technology (welding work), Hose assembly (hose technology), Production of special fittings, CNC manufacturing, Hose assembly, Special fittings to customer specification, Warehousing with ~95 % of products ready for immediate delivery
- Materials
- CNC manufacturing (turned parts), Hose assembly, Special fittings, Welding technology
- Certificates
- DIN ISO 9001:2000 (supplier certification), DIN ISO 9001:2000 (suppliers)
- Founded
- 1943
- Industries
- Welding technology, Welding and cutting technology, Welding and cutting technology (SCHWEISSEN & SCHNEIDEN trade fair)
- 01
CNC manufacturing of turned parts
- 02
Production of special fittings
- 03
Hose assembly
- 04
Assembly
- 05
Warehousing with ~95 % of products ready for immediate delivery
- 06
Shipping to national and international customers
Processes and Manufacturing
CNC manufacturing (turned parts)
In-house CNC production of turned parts in large volumes since the expansion in 2009.
Hose assembly
Assembly of oxy-fuel hoses, including more than 100,000 metres produced.
Special fittings
Daily production of special fittings to customer specification for rapid response to custom requirements.
Welding technology
Products and components relating to welding technology.
Kaarst Site
Kaarst
DEHead office, manufacturing and administration
- Materials
- Turned parts, oxy-fuel hoses, special fittings
- CNC manufacturing
- Welding technology machine fleet
- Warehousing
Products and Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| CNC manufacturing (turned parts)Machining | – | – | – | – | – |
| Welding technology (welding work)Joining | – | – | – | – | – |
| Hose assembly (hose technology)Assembly | – | – | – | – | – |
| Production of special fittingsAssembly | – | – | – | – | – |
Additional services
Quality and Standards
Rinnert Welding Technology's suppliers are certified to DIN ISO 9001:2000 and guarantee a consistently high quality standard. The extensive machine fleet at the Kaarst site ensures quality and short delivery times.
| Evidence | Kaarst |
|---|---|
| DIN ISO 9001:2000 (suppliers) |
History
- 1943
Company founded by M.H. Rinnert with hat bands and gloves
- 1987
Relocation to the first external commercial hall in Willich-Schiefbahn
- 2000
Relocation to newly built hall and office buildings in Kaarst
- 2008
Extension with a new hall and production areas
- 2009
Expansion of hose assembly and in-house CNC manufacturing on site
- 2014
Management taken over by Eric and Max Rinnert
- 2016
Expansion of office space and launch of the online shop
- 2020
Hall extended by approximately 1,100 additional pallet spaces
- 2023
Exhibition at SCHWEISSEN & SCHNEIDEN
- 2024
Occupancy of the new office extension
- 2025
Another exhibition at SCHWEISSEN & SCHNEIDEN; photovoltaic system expanded to more than 160 kWp